US Sanctions Iran's Strait Authority Amid Shipping Tensions
Severity: High (Score: 77.0)
Sources: Al-Monitor, Turkiyetoday, Dacbeachcroft
Published: · Updated:
Keywords: strait, sanctions, hormuz, iran, authority, warns, shippers
Summary
On May 26, 2026, the U.S. Treasury sanctioned Iran's Persian Gulf Strait Authority (PGSA) for extorting global shipping on behalf of the Islamic Revolutionary Guard Corps (IRGC). This action prohibits U.S. persons from engaging with the PGSA, which was established on May 5, 2026, to regulate maritime traffic through the Strait of Hormuz. The sanctions extend to any payments made to the PGSA, including tolls in any form. The Treasury highlighted that funds from these tolls are funneled to the IRGC, a designated terrorist organization. The sanctions are part of a broader effort to counter Iranian military actions that threaten global maritime trade. Shipping through the strait has drastically decreased, with only a fraction of the usual vessels transiting. The situation poses significant risks for maritime stakeholders, especially those involved in international shipping. Enhanced due diligence is now required for vessels operating in the region. Key Points: • The U.S. Treasury sanctioned Iran's PGSA for extorting shipping on behalf of the IRGC. • Payments to the PGSA, including tolls, may expose shippers to U.S. sanctions risk. • Shipping traffic through the Strait of Hormuz has significantly declined amid these tensions.
Detailed Analysis
**Impact** Maritime stakeholders, including vessel operators, insurers, reinsurers, and financial institutions, face heightened sanctions risks due to Iran's Persian Gulf Strait Authority (PGSA) demanding toll payments for passage through the Strait of Hormuz. Approximately 20% of global oil and LNG supplies transit this chokepoint, which has seen a drastic reduction from 125-140 daily vessel passages to a minimal number since the conflict began. Non-U.S. parties risk secondary sanctions, including loss of access to the U.S. financial system, if involved in transactions with the PGSA or related Iranian entities. The sanctions disrupt tens of billions of dollars in Iranian revenue linked to weapons programs and terrorist proxies. **Technical Details** The U.S. Treasury Department’s Office of Foreign Assets Control (OFAC) sanctioned the PGSA under Executive Order 13224, designating it as a Specially Designated National linked to the IRGC. The PGSA requires vessels to submit a "Vessel Information Declaration" and pay fees in various forms, including fiat currency, digital assets, informal swaps, or in-kind contributions. No specific malware, CVEs, or attack vectors are mentioned. The enforcement targets financial and transactional activities facilitating maritime passage through the Strait of Hormuz. **Recommended Response** Maritime operators and associated financial institutions should implement enhanced due diligence on vessels transiting the Strait of Hormuz, including screening against OFAC’s Specially Designated Nationals list and monitoring for any payments to Iranian authorities or affiliated entities. Organizations should enforce sanctions compliance programs with risk-based screening of counterparties and transactions, regardless of payment method. Monitoring vessel movements and declarations for compliance with PGSA demands is advised. No technical patches or malware detections are applicable based on current information.
Source articles (3)
- Strait of Hormuz Tensions: Sanctions and Safe Passage Payments — Dacbeachcroft · 2026-05-26
The operational and contractual challenges arising from disruption in the Strait of Hormuz (as set out in our alert ) are now compounded by a materially heightened sanctions risk environment. Maritime… - US sanctions Iran's Strait of Hormuz authority, warns shippers - Türkiye Today — Turkiyetoday · 2026-05-28
T he U.S. Treasury Department sanctioned Iran's Persian Gulf Strait Authority (PGSA) on Wednesday, accusing the newly created body of extorting global shipping on behalf of the Islamic Revolutionary G… - US adds Persian Gulf Strait Authority to sanctions list, Treasury website shows - Al — Al-Monitor · 2026-05-28
WASHINGTON, May 27 (Reuters) - The United States on Wednesday issued new Iran-related sanctions by adding the Persian Gulf Strait Authority to its Specially Designated Nationals list, the Treasury Dep…
Timeline
- 2026-05-05 — PGSA established: Iran created the Persian Gulf Strait Authority to regulate maritime traffic through the Strait of Hormuz.
- 2026-05-20 — PGSA publishes regulatory map: The PGSA published a map defining its jurisdiction and required vessels to follow Iranian-designated routes.
- 2026-05-26 — U.S. sanctions PGSA: The U.S. Treasury sanctioned the PGSA for extorting global shipping, warning of sanctions for any payments made to it.
- 2026-05-26 — Dacbeachcroft alert issued: Dacbeachcroft highlighted the heightened sanctions risks for maritime stakeholders engaging with Iranian authorities.
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